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Sulfur and phosphorus compounds

2-Ethoxyethanethiol

Also known as 2-ethoxyethane-1-thiol, Ethanethiol, 2-ethoxy-, 2-mercaptoethyl ethyl ether

CAS 17362-04-8Formula C4H10OSMolar mass 106.19 g/molEC 241-390-4
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant
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2-Ethoxyethanethiol chemical structure, C4H10OS, CAS 17362-04-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17362-04-8
Formula
C4H10OS
Molar mass
106.19 g/mol
Physical form
Liquid
HS code
293090
Category
Sulfur and phosphorus compounds
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is 2-Ethoxyethanethiol?

Plain description, key identifiers and synonyms

2-Ethoxyethanethiol is a chemical substance with the molecular formula C4H10OS and a molar mass of 106.19 g/mol. Its CAS registry number is 17362-04-8.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-ethoxyethanethiol
CAS number
17362-04-8 CAS number cross-checked
EC number
241-390-4
Molecular formula
C4H10OS
UNII
TT795DE88E
InChIKey
ZKHZEAOYIJBZBM-UHFFFAOYSA-N
InChI
InChI=1S/C4H10OS/c1-2-5-3-4-6/h6H,2-4H2,1H3
SMILES (canonical and isomeric)
CCOCCS

Synonyms

  • 2-ethoxyethane-1-thiol
  • Ethanethiol, 2-ethoxy-
  • 2-mercaptoethyl ethyl ether
  • 2-Thioather

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
106.19 g/molcalc.
Exact mass
106.0452 Dacalc.
LogP (octanol/water)
0.95calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
Precautionary statements (28)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

2-Ethoxyethanethiol suppliers

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2-Ethoxyethanethiol price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Ethoxyethanethiol is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Ethoxyethanethiol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Ethoxyethanethiol, based on the data on this page

What is 2-Ethoxyethanethiol?

2-Ethoxyethanethiol is a chemical substance with the molecular formula C4H10OS and a molar mass of 106.19 g/mol. Its CAS registry number is 17362-04-8.

What is the CAS number of 2-Ethoxyethanethiol?

The CAS registry number of 2-Ethoxyethanethiol is 17362-04-8.

What is the molecular formula and weight of 2-Ethoxyethanethiol?

The molecular formula of 2-Ethoxyethanethiol is C4H10OS and its molar mass is 106.19 g/mol.

What is 2-Ethoxyethanethiol used for?

Known uses and roles of 2-Ethoxyethanethiol include building blocks in research and laboratory.

Is 2-Ethoxyethanethiol hazardous?

2-Ethoxyethanethiol carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, harmful if swallowed, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Ethoxyethanethiol?

2-Ethoxyethanethiol is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Ethoxyethanethiol?

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What is the price of 2-Ethoxyethanethiol?

Suppliers quote 2-Ethoxyethanethiol on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2-Ethoxyethanethiol

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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